Climate pollutant concentrations in the Beijing region of northern China have plateaued or begun to decline—except for the world’s most potent greenhouse gas, new research concludes. The findings, published in the journal Environmental Science & Technology, suggest a decades-long effort to clean...

Source: [Inside Climate News](https://insideclimatenews.org/news/24102026/sf6-climate-super-pollutant-surges-in-beijing/)

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